Highlights•We use China's big data comprehensive pilot zones to represent the digital
economy.•The digital economy helps stimulate high-quality urban economic …

In recent years, research and publication activity in the field of small and medium-sized cities
(SMSCs) in an international context has been increasing. However, a survey of extant …

In recent years, the number of large cities and the incidence of urban haze have been
increasing. However, whether population growth inevitably leads to air pollution is …

Persistent poverty, economic decay and lack of opportunities are at the root of considerable
discontent in declining and lagging-behind areas the world over. Poor development …

Air pollution significantly impacts sustainable development and public health. Taking the
implementation of China's Environmental Protection Tax Law in China as a quasi-natural …

Urban economics and branches of mainstream economics–what we call the 'housing as
opportunity'school of thought–have been arguing that shortages of affordable housing in …

Physical distancing measures are important tools to control disease spread, especially in the
absence of treatments and vaccines. While distancing measures can safeguard public …

One of the most pressing issues facing astronomy today is the growing threat of light
pollution. Light pollution affects not only astronomical observations but also sustainability in …

The paper focusses on the concept of a smart city and its specific components in relation to
size of the city. Smart cities are a topic whose key importance is being increasingly …

This study investigates the role of energy imports in domestic production function in the case
of 15 energy-importing countries for the period of 1995–2015. Apart from energy imports …